EKG Flashcards

1
Q

Onda P

A

Despolarización auricular

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2
Q

Sístole auricular

A

Contracción

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3
Q

Complejo QRS

A

Despolarización ventricular

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4
Q

Sístole ventricular

A

Contracción

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5
Q

Onda T

A

Repolarización ventricular

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6
Q

Diástole ventricular

A

Relajación

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7
Q

Segmento S-T

A

Tiempo en el las fibras ventriculares están en meseta
- Detección de Infarto

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8
Q

Intervalo P-Q

A

Tiempo de conducción auricular

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9
Q

Intervalo Q-T

A

Tiempo de despolarización y repolarización ventricular

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10
Q

Derivaciones plano transversal

A

6 electrodos precordiales (V1-V6)
DI, DII, DIII:
- Son colocados en extremidades (ambos brazos y pie izq)
- 3 derivaciones estándar (DI-DIII) y aumentadas (aVF, aVR, aVL)

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11
Q

Eje de activación

A

El vector de activación cardiaco tiene esa dirección por:
- Anatomía del corazón
- Grosor del VI

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12
Q

Derivaciones representan diferentes partes del corazón

A

Lateral: D1, aVL, V5, V6
Septal: V1, V2
Anterior: V4, V3
Inferior: DII, DIII, aVF

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